Headquartered in Los Angeles, California, USA. R1 Concepts is the leading manufacturer and retailer of award winning automotive braking systems. With over 20 years of automotive brake knowledge, R1 Concepts has developed one of the most comprehensive brake catalog in the industry for all foreign and domestic vehicle applications from 1930-present.

This Part Fits:

Year	Make	Model	Submodel
1983-1989	Buick	Century	Custom
1984	Buick	Century	Estate
1985-1989	Buick	Century	Estate Wagon
1983-1989	Buick	Century	Limited
1984	Buick	Century	Olympia Limited
1983-1986	Buick	Century	T-Type
1985-1990	Buick	Electra	Limited
1985-1990	Buick	Electra	Park Avenue
1989-1990	Buick	Electra	Park Avenue Ultra
1985-1990	Buick	Electra	T-Type
1987-1989	Buick	LeSabre	Base
1986-1989	Buick	LeSabre	Custom
1986-1989	Buick	LeSabre	Limited
1987	Buick	LeSabre	T-Type
1986-1989	Cadillac	Commercial Chassis	Base
1985,1987-1989	Cadillac	DeVille	Base
1985	Cadillac	DeVille	Cabriolet
1985-1987	Cadillac	DeVille	d'Elegance
1986-1987	Cadillac	DeVille	Touring
1987-1989	Cadillac	Fleetwood	60 Special
1985-1987	Cadillac	Fleetwood	75
1985-1987	Cadillac	Fleetwood	75 Formal
1985-1989	Cadillac	Fleetwood	Base
1985-1989	Cadillac	Fleetwood	Brougham Commercial Chassis
1985,1987-1989	Cadillac	Fleetwood	d'Elegance
1983-1989	Chevrolet	Celebrity	Base
1983,1989	Chevrolet	Celebrity	CL
1985	Chevrolet	Celebrity	Classic
1985-1987	Chevrolet	Celebrity	Estate
1984-1989	Chevrolet	Celebrity	Eurosport
1990	Chevrolet	Lumina APV	Base
1990	Chevrolet	Lumina APV	CL
1985-1989	Oldsmobile	98	Regency
1985-1989	Oldsmobile	98	Regency Brougham
1987	Oldsmobile	98	Regency Grande
1987-1989	Oldsmobile	98	Regency Touring
1983,1989	Oldsmobile	Cutlass Ciera	Base
1983-1988	Oldsmobile	Cutlass Ciera	Brougham
1984-1985	Oldsmobile	Cutlass Ciera	Cruiser LS
1983,1986	Oldsmobile	Cutlass Ciera	ES
1989	Oldsmobile	Cutlass Ciera	GT
1988-1989	Oldsmobile	Cutlass Ciera	International
1983-1988	Oldsmobile	Cutlass Ciera	LS
1986	Oldsmobile	Cutlass Ciera	S
1986,1989	Oldsmobile	Cutlass Ciera	SL
1989	Oldsmobile	Cutlass Cruiser	Base
1987	Oldsmobile	Cutlass Cruiser	Brougham
1988	Oldsmobile	Cutlass Cruiser	Brougham LS
1987-1988	Oldsmobile	Cutlass Cruiser	LS
1988-1989	Oldsmobile	Cutlass Cruiser	SL
1986-1989	Oldsmobile	Delta 88	Royale
1986-1989	Oldsmobile	Delta 88	Royale Brougham
1990	Oldsmobile	Silhouette	Base
1983-1989	Pontiac	6000	Base
1983-1989	Pontiac	6000	LE
1986-1988	Pontiac	6000	SE
1989	Pontiac	6000	Special Edition
1983-1989	Pontiac	6000	STE
1987	Pontiac	Bonneville	Base
1987-1989	Pontiac	Bonneville	LE
1988-1989	Pontiac	Bonneville	SE
1988-1989	Pontiac	Bonneville	SSE
1990	Pontiac	Trans Sport	Base